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Otolaryngology

Michael P. Castillo, MD

Works at hospitals in Webster, TX · Nassau Bay, TX · Texas

Summary

Michael P. Castillo, MD (Otolaryngology) is listed by Medicare at 3 hospitals in Webster, TX and Nassau Bay, TX. NPI 1992908594. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Michael P. Castillo, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

OtolaryngologyPrimary specialty
YesAccepts Medicare assignment
23Years since medical school (graduated 2003)
University Of Texas Southwestern Medical School At DallasMedical school
MaleGender (as listed)
Texas Ear, Nose and Throat Specialists, PLLCGroup practice

Quick answers

Which hospitals does Michael P. Castillo work at?
Medicare's official clinician data lists Michael P. Castillo at 3 hospitals: HCA Houston Healthcare Clear Lake, Houston Methodist Clear Lake Hospital and Memorial Hermann Houston Physicians Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Michael P. Castillo see patients?
Medicare's clinician data lists 5 practice locations, including Sealy, TX, Pearland, TX and Houston, TX. Call before your visit to confirm the address.
What is Michael P. Castillo's specialty?
Medicare lists Otolaryngology as the primary specialty.
Does Michael P. Castillo accept Medicare assignment?
Yes. Medicare's clinician data says Michael P. Castillo accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Michael P. Castillo?
(979) 877-0022, as listed in official Medicare / NPI Registry data.
What is Michael P. Castillo's NPI number?
1992908594. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Michael P. Castillo works

Medicare's Facility Affiliation Data lists Michael P. Castillo at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Michael P. Castillo is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Michael P. Castillo as a member of this group (CMS data updated 2026-10-02).

  • Texas Ear, Nose and Throat Specialists, PLLC128 clinicians in the group

Specialties

Find other Otolaryngology doctors in Texas →

Other ENT doctors in Texas

Clinicians with the same Medicare primary specialty in Texas — not a recommendation.

All ENT doctors in Texas →

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Southwestern Medical School At Dallas
Graduation year2003
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1992908594
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians